A trolley of mass 18 kg is pulled with a velocity which depends on time and given as v 3t Sand is falling vertically on the

Question

A trolley of mass 18 kg is pulled with a velocity which depends on time and given as v 3t Sand is falling vertically on the trolley at a rate of 18 kg s Assume sand sticks to the trolley If rate of increase of Kinetic energy of the trolley at t 2 sec is n x 324 find the value of n O 3 O 4 05

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